Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888603 | Light emitting diode array | Peter B. Hart, Richard A. Kirk | 1989-12-19 |
| 4884086 | Method of alignment of LED chips | Richard A. Kirk, Peter R. Lee, Peter B. Hart, Alan J. Cobb | 1989-11-28 |
| 4857944 | Recalibration system for LED array | Peter B. Hart, Richard A. Kirk | 1989-08-15 |